They Mocked Me, Then Dinosaurs Came

Paleontology student Claire, the despised true daughter, finds dinosaurs on a resort island, but her family mocks her. When attacks begin, favored fake daughter Anna betrays everyone to survive, causing the greedy parents' deaths. Using her knowledge, Claire fights back and escapes by helicopter with her aunt and uncle. Meanwhile, Anna, thinking she's safe on a yacht, is swallowed by a Mosasaurus.